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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001   
<a name="l00002"></a>00002   <span class="comment">// todo:</span>
<a name="l00003"></a>00003   <span class="comment">//   user defined variables</span>
<a name="l00004"></a>00004   <span class="comment">//   equation</span>
<a name="l00005"></a>00005   <span class="comment">//   table</span>
<a name="l00006"></a>00006   
<a name="l00007"></a>00007   <span class="keywordtype">string</span> translate_var(<span class="keywordtype">string</span> vname) {
<a name="l00008"></a>00008     <span class="keywordtype">string</span> sret(vname);
<a name="l00009"></a>00009     <span class="keywordtype">int</span> cid=search_fd(get_domain_name(vname));
<a name="l00010"></a>00010     
<a name="l00011"></a>00011     <span class="keywordflow">if</span>(cid&gt;=0) { 
<a name="l00012"></a>00012       <span class="comment">// variable belong to a domain</span>
<a name="l00013"></a>00013       vname=get_varname(vname);      
<a name="l00014"></a>00014       
<a name="l00015"></a>00015       <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;size&quot;</span>) sret.assign(as_string(fd[cid]-&gt;solver-&gt;GetDim()));
<a name="l00016"></a>00016       
<a name="l00017"></a>00017       <span class="keywordflow">else</span> <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;nx&quot;</span>) {
<a name="l00018"></a>00018         <span class="keywordtype">int</span> dx,dy,dz;
<a name="l00019"></a>00019         fd[cid]-&gt;solver-&gt;GetDim(dx,dy,dz);
<a name="l00020"></a>00020         sret=as_string(dx);
<a name="l00021"></a>00021       }
<a name="l00022"></a>00022 
<a name="l00023"></a>00023       <span class="keywordflow">else</span> <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;ny&quot;</span>) {
<a name="l00024"></a>00024         <span class="keywordtype">int</span> dx,dy,dz;
<a name="l00025"></a>00025         fd[cid]-&gt;solver-&gt;GetDim(dx,dy,dz);
<a name="l00026"></a>00026         sret=as_string(dy);
<a name="l00027"></a>00027       }
<a name="l00028"></a>00028 
<a name="l00029"></a>00029       <span class="keywordflow">else</span> <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;nz&quot;</span>) {
<a name="l00030"></a>00030         <span class="keywordtype">int</span> dx,dy,dz;
<a name="l00031"></a>00031         fd[cid]-&gt;solver-&gt;GetDim(dx,dy,dz);
<a name="l00032"></a>00032         sret=as_string(dz);
<a name="l00033"></a>00033       }
<a name="l00034"></a>00034       
<a name="l00035"></a>00035       <span class="keywordflow">else</span> <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;dim&quot;</span>) {
<a name="l00036"></a>00036         <span class="keywordtype">int</span> dx,dy,dz;
<a name="l00037"></a>00037         fd[cid]-&gt;solver-&gt;GetDim(dx,dy,dz);
<a name="l00038"></a>00038         sret=(as_string(dx)+<span class="stringliteral">&quot; &quot;</span>+as_string(dy)+<span class="stringliteral">&quot; &quot;</span>+as_string(dz));
<a name="l00039"></a>00039       }
<a name="l00040"></a>00040       
<a name="l00041"></a>00041       <span class="keywordflow">else</span> <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;step&quot;</span>) sret=as_string(fd[cid]-&gt;solver-&gt;GetStep());
<a name="l00042"></a>00042       <span class="keywordflow">else</span> <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;timestep&quot;</span>) sret=as_string(fd[cid]-&gt;solver-&gt;GetTimestep());
<a name="l00043"></a>00043       <span class="keywordflow">else</span> <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;time&quot;</span>)
<a name="l00044"></a>00044         sret=as_string(fd[cid]-&gt;solver-&gt;GetStep()*fd[cid]-&gt;solver-&gt;GetTimestep());
<a name="l00045"></a>00045       <span class="keywordflow">else</span> <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;spacestep&quot;</span>) sret=as_string(fd[cid]-&gt;solver-&gt;GetSpacestep());
<a name="l00046"></a>00046       
<a name="l00047"></a>00047       <span class="keywordflow">else</span> <span class="keywordflow">throw</span> <span class="stringliteral">&quot;invalid variable name&quot;</span>;
<a name="l00048"></a>00048     } <span class="keywordflow">else</span> {
<a name="l00049"></a>00049       <span class="comment">// search in buffer</span>
<a name="l00050"></a>00050       cid=search_buffer(get_domain_name(vname));
<a name="l00051"></a>00051       <span class="keywordflow">if</span>(cid&gt;=0) {
<a name="l00052"></a>00052         vname=get_varname(vname);
<a name="l00053"></a>00053         
<a name="l00054"></a>00054         <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;size&quot;</span>) 
<a name="l00055"></a>00055           sret.assign(as_string(buffer[cid]-&gt;size()));
<a name="l00056"></a>00056         
<a name="l00057"></a>00057         <span class="keywordflow">else</span> <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;nx&quot;</span>) sret=as_string(buffer[cid]-&gt;nx);
<a name="l00058"></a>00058         <span class="keywordflow">else</span> <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;ny&quot;</span>) sret=as_string(buffer[cid]-&gt;ny);
<a name="l00059"></a>00059         <span class="keywordflow">else</span> <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;nz&quot;</span>) sret=as_string(buffer[cid]-&gt;nz);
<a name="l00060"></a>00060         <span class="keywordflow">else</span> <span class="keywordflow">if</span>(vname==<span class="stringliteral">&quot;dim&quot;</span>) 
<a name="l00061"></a>00061           sret=as_string(buffer[cid]-&gt;nx)+<span class="stringliteral">&quot; &quot;</span>+
<a name="l00062"></a>00062                as_string(buffer[cid]-&gt;ny)+<span class="stringliteral">&quot; &quot;</span>+
<a name="l00063"></a>00063                as_string(buffer[cid]-&gt;nz);
<a name="l00064"></a>00064         
<a name="l00065"></a>00065         <span class="keywordflow">else</span> <span class="keywordflow">throw</span> <span class="stringliteral">&quot;invalid variable name&quot;</span>;
<a name="l00066"></a>00066       }
<a name="l00067"></a>00067     }  
<a name="l00068"></a>00068     <span class="keywordflow">return</span> sret;
<a name="l00069"></a>00069   }
<a name="l00070"></a>00070   
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